320331013103 has 2 divisors, whose sum is σ = 320331013104. Its totient is φ = 320331013102.

The previous prime is 320331013091. The next prime is 320331013117. The reversal of 320331013103 is 301310133023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320331013103 - 2⁸ = 320331012847 is a prime.

It is a super-2 number, since 2×320331013103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320331013153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165506551 + 160165506552.

It is an arithmetic number, because the mean of its divisors is an integer number (160165506552).

Almost surely, 2^320331013103 is an apocalyptic number.

320331013103 is a deficient number, since it is larger than the sum of its proper divisors (1).

320331013103 is an equidigital number, since it uses as much as digits as its factorization.

320331013103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 320331013103 its reverse (301310133023), we get a palindrome (621641146126).

The spelling of 320331013103 in words is "three hundred twenty billion, three hundred thirty-one million, thirteen thousand, one hundred three".